Home / 43,133.70-64,668.54-13,534.68

Finding the Fourth Proportional to 43,133.70, 64,668.54 and 13,534.68

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Solution

The fourth proportional to 43,133.70, 64,668.54 and 13,534.68 is: 20,291.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,133.70 : 64,668.54 = 13,534.68 : x
  2. Step 2: Convert to fraction form
    43,133.70/64,668.54 = 13,534.68/x
  3. Step 3: Cross multiply
    43,133.70x = 64,668.54 × 13,534.68
  4. Step 4: Simplify right side
    43,133.70x = 875,267,994.97
  5. Step 5: Solve for x
    x = 875,267,994.97/43,133.70
  6. Step 6: Final answer
    x = 20,291.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.